36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
From c28fa62bc89656ba3b1b01011a45e941d6c7d42a Mon Sep 17 00:00:00 2001
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From: Soeren Apel <soeren@apelpie.net>
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Date: Sun, 31 Jan 2016 18:22:17 +0100
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Subject: [PATCH 05/13] Fix clang warning: shifting a negative signed value is
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undefined
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---
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pv/data/logicsegment.cpp | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/pv/data/logicsegment.cpp b/pv/data/logicsegment.cpp
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index 3e18b85..a5634b3 100644
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--- a/pv/data/logicsegment.cpp
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+++ b/pv/data/logicsegment.cpp
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@@ -308,7 +308,7 @@ void LogicSegment::get_subsampled_edges(
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pow2_ceil(index, MipMapScalePower));
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for (; index < final_index &&
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- (index & ~(~0 << MipMapScalePower)) != 0;
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+ (index & ~((uint64_t)(~0) << MipMapScalePower)) != 0;
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index++) {
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const bool sample =
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(get_sample(index) & sig_mask) != 0;
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@@ -358,7 +358,7 @@ void LogicSegment::get_subsampled_edges(
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sig_mask))
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break;
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- if ((offset & ~(~0 << MipMapScalePower)) == 0) {
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+ if ((offset & ~((uint64_t)(~0) << MipMapScalePower)) == 0) {
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// If we are now at the beginning of a
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// higher level mip-map block ascend one
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// level
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--
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2.4.3
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